Recently T-Mobile announced its new mobile data plan: a 200mb plan for $9.99 per month with a 2-year agreement, and an unlimited plan for $30 per month. It's known that plans will go into effect on November 14.

US Cellular has introduced a new data-centric, all-inclusive plan called "Primary Plus", which should sattisfy the needs of its subscribers. It includes 450 minutes of voice calls, unlimited messaging, 5GB of data, free incoming calls and free nights and weekends. All for $69.99, which is $20 cheaper than the similar Verizon offering.

AT&T officially announced pricing plans for the iPhone 3G. The handset will become available on July 11, at 8:00 AM. New customers and those eligible for an upgrade will be able to get the phone for $199 (8GB) and $299 (16GB) with a 2-year commitment.

Existing AT&T customers who are not currently eligible for an upgrade can sign a new 2-year agreement and get the iPhone 3G for $399 (8GB) or $499 (16GB).

Telstra subscribers in Australia will soon be able to get their hands on the Apple iPhone 3G. The handset will be available starting July 11 at a price of $279 for the 8GB model or $399 for the 16GB model and will come with a 2-year contract.

The carrier also announced Next G iPhone 3G plans, which start from $30 per month and include free Wi-Fi access at Telstra hotspots.

Virgin Mobile USA announced today its new "Totally Unlimited" calling plan. It comes into effect on July 1st and will cost you $90. This includes unlimited nationwide calling with no roaming or other fees for $80 per month, as well as unlimited text messaging, picture messaging, instant messaging, and email for additional $10.